package com.bjpowernode.singleton;

/**
 * @ClassName Singleton02
 *
 * @Author Cat
 */
public final class Singleton02 {

    private static Singleton02 instance = null;

    private Singleton02() {

    }

    public static Singleton02 getInstance() {
        if (null == instance) {
            instance = new Singleton02();
        }
        return instance;
    }
}